Question about Kenmore 63942 Dryer
This is probably the motor going bad. The sensors wont cause this to happen. The start switch either, replacing all the sensors in the world wont make the motor be good again. But their is something you can do to try and make the motor last a while longer,their isn't any holes to oil the dryer motor so you must make some,using a 1/8th inch drill bit make a hole in either end of the motor where the bearings are (taking care not to hit the shaft), then add some hi temp oil such as zoom-oil, (dont use WD-40) and work the motor free as you can by hand. If this frees up the motor it may go a while longer. Also oil the rollers and check the slides to make sure they are not pinching and stalling the motor. If the motor can't reach top speed it will get hot,overload and stop.
Posted on Sep 12, 2009
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Posted on Jan 02, 2017
The humming noise is most likely coming from the timer motor and not from the drive motor. This characterizes a problem with a blown thermal fuse which is wired in series with the drive motor and located on the blower housing. Power to the motor is cut when the thermal fuse blows open and consequently the drive motor cannot run. No dryer function works when the drive motor cannot run.
Unplug the dryer or disconnect power then pry the lower access panel off with a flat-head screwdriver as shown.
Remove the screw from the lint duct bracket and remove the bracket. Remove the two hex-head screws from the lint duct and remove the duct to access the thermal fuse and the cycling thermostat.
Click on the links below for the detailed troubleshooting of this problem and the parts diagram. The cycling thermostat(part number 3387134) must also be replaced once the thermal fuse(part number 3392519) is found open.
Whirlpool and Kenmore Electric Dryers Not Starting
Kenmore Electric Dryer Model Number 110.64872400 Parts Diagram
Posted on Aug 15, 2011
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